About
Asplenium scolopendrium (Crispum Group) 'Crispum Bolton's Nobile' is a perennial fern that develops an attractive rosette of wide, deep green fronds measuring up to 30 by 10 cm. The edges of the fronds are prominently wavy, and the plant is non-spore producing.
About the genus
Asplenium is a group of evergreen ferns characterized by short, typically upright rhizomes that support a rosette of somewhat leathery fronds. These fronds can vary from simple to pinnate, and may extend to three times pinnate.
Growing conditions
- Sunlight
- Full shade, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Ferns
- Habit
- Clump forming
- Foliage
- Evergreen
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
- Cultivation
- Grows well in humus-rich, moist but well-drained soil. Bright mid-day sun can cause damage. May be sensitive to fungicides. Tolerant of dry shade but water regularly during the first season and mulch well. See how to grow ferns for further advice
- Pruning
- Dead or damaged fronds may be removed as necessary
- Propagation
- Propagate by division, or propagate by sowing spores as soon as ripe at 15°C
- Pest resistance
- Generally pest-free outdoors
- Disease resistance
- May be infected by a rust in mild, damp winters